One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,8)(3,7,11,14)(4,5,12,13)(9,10,15,16)(17,18)(19,23)(20,24)(21,29)(22,26)(25,31)(27,28)(30,32)(33,34)(35,42)(36,44)(37,40)(38,39)(41,46)(43,47)(45,48)(1,3,6,11)(2,7,8,14)(4,9,12,15)(5,10,13,16)(17,19,22,24)(18,23,26,20)(21,27,31,32)(25,30,29,28)(33,35,39,37)(34,40,38,42)(36,43,46,45)(41,47,44,48)(2,8)(4,12)(7,14)(9,15)(17,18,22,26)(19,20,24,23)(21,25,31,29)(27,28,32,30)(33,35,39,37)(34,40,38,42)(36,45,46,43)(41,48,44,47)(1,4)(2,5)(3,9)(6,12)(7,10)(8,13)(11,15)(14,16)(17,18)(19,23)(20,24)(21,25)(22,26)(27,30)(28,32)(29,31)(33,36,39,46)(34,41,38,44)(35,43,37,45)(40,47,42,48)(1,3)(2,7)(4,9)(5,10)(6,11)(8,14)(12,15)(13,16)(17,20,22,23)(18,24,26,19)(21,30,31,28)(25,27,29,32)(33,37,39,35)(34,40,38,42)(36,45,46,43)(41,47,44,48)(1,5)(2,4)(3,10)(6,13)(7,9)(8,12)(11,16)(14,15)(17,21)(18,25)(19,27)(20,28)(22,31)(23,30)(24,32)(26,29)(33,38,39,34)(35,42,37,40)(36,44,46,41)(43,48,45,47)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.